Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5412096 | Hydrochloride salts of heterocyclic spiro compounds | Shin-ichi Tsukamoto, Hitoshi Nagaoka, Shinji Usuda, Masatomi Harada | 1995-05-02 |
| RE34653 | Heterocyclic spiro compounds and methods for preparing the same | Shin-ichi Tsukamoto, Hitoshi Nagaoka, Shinji Usuda, Masatomi Harada | 1994-07-05 |
| 5041549 | Heterocyclic spiro compounds and methods for preparing the same | Shin-ichi Tsukamoto, Hitoshi Nagaoka, Shinji Usuda, Masatomi Harada | 1991-08-20 |
| 4996210 | Heterocyclic spiro compounds and methods for preparing the same | Shin-ichi Tsukamoto, Hitoshi Nagaoka, Shinji Usuda, Masatomi Harada | 1991-02-26 |
| 4940795 | Heterocyclic spiro compounds and methods for preparing the same | Shin-ichi Tsukamoto, Hitoshi Nagaoka, Shinji Usuda, Masatomi Harada | 1990-07-10 |
| 4740586 | Crystalline form III of N.sup..alpha. -[[(S)-4-oxo-2-azetidinyl]-carbonyl]- L | Hideya Matsuda, Makoto Yoshida | 1988-04-26 |
| 4719207 | CNS active substituted azetidinone compounds | Makoto Yoshida, Shin-ichi Tsukamoto, Hidenori Iwamoto, Minoru Yamamoto, Soichi Kagami | 1988-01-12 |
| 4636567 | 4-substituted-2-azetidinone compound | Hidenori Iwamoto, Makoto Yoshida, Minoru Yamamoto | 1987-01-13 |
| 4610821 | 4-substituted-2-azetidinone compound, process of producing the compounds, and medicaments containing the compounds | Hidenori Iwamoto, Makoto Yoshida, Minoru Yamamoto | 1986-09-09 |
| 4564609 | 4-Substituted-2-azetidinone compound, process of producing the compounds, and medicaments containing the compounds | Hidenori Iwamoto, Makoto Yoshida, Minoru Yamamoto | 1986-01-14 |
| 4379158 | Antisecretory imidazole amidine compounds, composition and method of use | Yasufumi Hirata, Isao Yanagisawa, Masaaki Takeda | 1983-04-05 |
| 4252819 | Antisecretory heterocyclic amidine compounds | Yasufumi Hirata, Isao Yanagisawa, Masaaki Takeda | 1981-02-24 |
| 4246280 | 20-Alkoxy-16-alkyl-prostadienoic acid derivatives | Noriyoshi Inukai, Masuo Murakami, Hidenori Iwamoto, Isao Yanagisawa, Yoshio Ishii +2 more | 1981-01-20 |